Home / 213,686,968,237.76-320,540,760,401.20-70,262,821,063.18

Finding the Fourth Proportional to 213,686,968,237.76, 320,540,760,401.20 and 70,262,821,063.18

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Solution

The fourth proportional to 213,686,968,237.76, 320,540,760,401.20 and 70,262,821,063.18 is: 105,397,621,002.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,686,968,237.76 : 320,540,760,401.20 = 70,262,821,063.18 : x
  2. Step 2: Convert to fraction form
    213,686,968,237.76/320,540,760,401.20 = 70,262,821,063.18/x
  3. Step 3: Cross multiply
    213,686,968,237.76x = 320,540,760,401.20 × 70,262,821,063.18
  4. Step 4: Simplify right side
    213,686,968,237.76x = 22,522,098,091,525,167,644,672
  5. Step 5: Solve for x
    x = 22,522,098,091,525,167,644,672/213,686,968,237.76
  6. Step 6: Final answer
    x = 105,397,621,002.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.